Display screen or portion thereof with a graphical user interface



The file of this patent contains at least one drawing/photographexecuted in color. Copies of this patent with colordrawing(s)/photograph(s) will be provided by the Office upon request andpayment of the necessary fee.

The sole FIGURE is a front view of a display screen or portion thereofwith a graphical user interface, showing the new design.

The broken lines in the drawing are included for the purpose ofillustrating an electronic device and portions of the display screen andform no part of the claimed design.

CLAIM The ornamental design for a display screen or portion thereof witha graphical user interface, as shown and described.